debase

/di-ˈbās/

verb

  1. to lower in status, esteem, quality, or character

  2. to reduce the intrinsic value of (a coin) by increasing the base-metal content

  3. to reduce the exchange value of (a monetary unit)

debased himself by lying to his supporters

debase vitiate deprave corrupt debauch pervert mean to cause deterioration or lowering in quality or character. debase implies a loss of position, worth, value, or dignity. vitiate implies a destruction of purity, validity, or effectiveness by allowing entrance of a fault or defect.